Bill ______ a couch potato and now he has a healthy lifestyle.
| A．is | B．used to be |
| C．is used to being | D．is used to be |
Some people will not know ________ value of ________ friendship until they lose it
| A．/… / | B．/… the | C．the… / | D．the… The |
E-mail, which has been widely used in ________ recent years, is ________ good way of ________ communication
| A．the, a, the | B．/, a, the | C．/, /, a | D．/,a, / |
“Professor Wang is at work in ________ office” Miss Brown said in ________ low voice
| A．/; the | B．the; a | C．the; / | D．an; the |
_________ friend of my sister’s will come to see her tomorrow I’m wondering what ________ man he is going to be like
| A．A, the | B．A, a | C．The, a | D．The, the |
– Have you seen ________ pen? I left it here this morning
– Is it ________ black one? I think I saw it somewhere
a, the B) the, the C) the, a D) a, a